3279312965 has 4 divisors (see below), whose sum is σ = 3935175564. Its totient is φ = 2623450368.

The previous prime is 3279312947. The next prime is 3279312983. The reversal of 3279312965 is 5692139723.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5692139723 = 167 ⋅34084669.

It is an interprime number because it is at equal distance from previous prime (3279312947) and next prime (3279312983).

It can be written as a sum of positive squares in 2 ways, for example, as 452583076 + 2826729889 = 21274^2 + 53167^2 .

It is a cyclic number.

It is not a de Polignac number, because 3279312965 - 2⁶ = 3279312901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327931292 + ... + 327931301.

It is an arithmetic number, because the mean of its divisors is an integer number (983793891).

Almost surely, 2^3279312965 is an apocalyptic number.

It is an amenable number.

3279312965 is a deficient number, since it is larger than the sum of its proper divisors (655862599).

3279312965 is an equidigital number, since it uses as much as digits as its factorization.

3279312965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655862598.

The product of its digits is 612360, while the sum is 47.

The square root of 3279312965 is about 57265.2858632523. The cubic root of 3279312965 is about 1485.6880221279.

The spelling of 3279312965 in words is "three billion, two hundred seventy-nine million, three hundred twelve thousand, nine hundred sixty-five".